The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 1981
Filed:
Dec. 13, 1978
Applicant:
Inventor:
Akira Kamiyama, Kiryu, JP;
Assignee:
Mitsuba Electric Mfg. Co., Ltd., Kiryu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R / ;
U.S. Cl.
CPC ...
29597 ; 310236 ; 310237 ;
Abstract
The present invention relates to a commutator which is always exposed to gasoline in a motor to drive, for example, a fuel pump of an automobile or the like and the method of efficiently producing the commutator. A good conductive sheet, the wear of which is not promoted by oxidized gasoline, is fixed to the surface of each commutator segment made of copper or copper alloy at least at the part to contact a brush.